AlphaServer 8200/8400 System Technical Manual

This document provides technical information regarding the KN7CE CPU module, an upgrade for the AlphaServer 8200/8400 systems based on the 440 MHz Alpha 21164 microprocessor. It highlights design changes compared to its predecessors (the KN7CC and KN7CD modules), specifically covering the B-cache, register functions, and the addition of MEMORY CHANNEL support. The manual details modified register definitions and functions, including the TLMODCONFIG, TLEPAERR, and TLEP_VMG registers, as well as the addition of the TL56WERR register set for Ibox timeout error diagnosis. It is intended for system software developers and service personnel.